Display unit and electronic apparatus

Inventors: Eisuke Negishi (Tokyo, JP); Shinichi Teraguchi (Kanagawa, JP); Shuji Kudo (Kanagawa, JP)

Assignee: Sony Corporation

H01L27/3272 H01L27/322 H01L27/3211 H01L27/3246 H01L51/524 H01L51/5221 H01L51/5284 H01L2251/301

View Patent ↗

Loading inventors, assignments & file history…

Monitor This Case

Get email alerts when status or documents change.

Order Certified Copies

Most orders are placed with the USPTO same day — all within 24 business hours.

Order via The Patent Place →

Pre-filled with this patent's details

Quick Facts

Patent No.: US 11,024,694
App. No.: 16/294,418
Granted: Jun 1, 2021
Kind: B2

External Links

USPTO Patent Center↗ Full Patent PDF↗

Abstract

There are provided a display unit and an electronic apparatus that are capable of preventing color mixture in adjacent color pixels, and improving color reproducibility and chromaticity viewing angle. The display unit includes: a drive substrate having a plurality of pixels with a partition therebetween; and a first light shielding film provided on the partition.

Claims (55)

1. A display device comprising:

a substrate; and

a plurality of light emitting elements including a first light emitting element and a second light emitting element with a partition therebetween, wherein

the first light emitting element includes a first anode electrode, a first portion of a cathode electrode layer, and a first portion of an organic layer,

the second light emitting element includes a second anode electrode, a second portion of the cathode electrode layer, and a second portion of the organic layer,

at least one part of the first portion of the organic layer and at least one part of the second portion of the organic layer are a continuous same layer,

a first light shielding film is provided between the first light emitting element and the second light emitting element from a plan view perspective, the first light shielding film being:

disposed between the substrate and the cathode electrode layer,

disposed at a light extraction side of the partition from a cross-section view perspective,

a second light shielding film is provided between the first light emitting element and the second light emitting element in the plan view perspective, the second light shielding film being disposed at the light extraction side of the partition from the cross-section view perspective,

the first light shielding film is disposed between the second light shielding film and the partition,

the first light shielding film overlaps the second light shielding film, and

the first light shielding film includes a conductive material.

2. The display device according to claim 1 , wherein the first light shielding film is directly in contact with the partition.

3. The display device according to claim 1 , wherein

the second light shielding film is disposed at the light extraction side of a plurality of color filters, and

the second light shielding film overlaps with a boundary of two of the plurality of color filters which respectively correspond to the first light emitting element and the second light emitting element.

4. The display device according to claim 3 , further comprising an insulating layer between the plurality of color filters and the cathode electrode layer, the plurality of color filters being in contact with the insulating layer.

5. The display device according to claim 3 , wherein

the display device is a top-emission type display device, and

a first light emitted from the first portion of the organic layer and a second light emitted from the second portion of the organic layer are extracted through the cathode electrode layer.

6. The display device according to claim 5 , wherein the substrate, the first anode electrode and the second anode electrode, the first light shielding layer, the cathode electrode layer, the plurality of color filters, and the second light shielding layer are stacked in this order in a light extraction direction.

7. The display device according to claim 3 , wherein the first light shielding film is set to a predetermined potential.

8. The display device according to claim 3 , wherein the first light shielding film includes aluminum, chromium, gold, platinum, nickel, copper, tungsten, silver, or a combination thereof.

9. The display device according to claim 3 , wherein the first light emitting element and the second light emitting element emit white light.

10. The display device according to claim 3 , wherein the organic layer includes a common layer.

11. The display device according to claim 10 , wherein the organic layer includes a first color light emitting layer and a second color light emitting layer.

12. The display device according to claim 11 , wherein the first color light emitting layer and the second color light emitting layer are separated from each other.

13. The display device according to claim 3 , wherein the first light emitting element and the second light emitting element emit different color light.

14. An electronic apparatus provided with a display device, the display device comprising:

a drive circuit;